1317487118 has 8 divisors (see below), whose sum is σ = 1976384712. Its totient is φ = 658692216.

The previous prime is 1317487117. The next prime is 1317487121. The reversal of 1317487118 is 8117847131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317487117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37121 + ... + 63347.

It is an arithmetic number, because the mean of its divisors is an integer number (247048089).

Almost surely, 2^1317487118 is an apocalyptic number.

1317487118 is a deficient number, since it is larger than the sum of its proper divisors (658897594).

1317487118 is a wasteful number, since it uses less digits than its factorization.

1317487118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51346.

The product of its digits is 37632, while the sum is 41.

The square root of 1317487118 is about 36297.2053745188. The cubic root of 1317487118 is about 1096.2647737725.

The spelling of 1317487118 in words is "one billion, three hundred seventeen million, four hundred eighty-seven thousand, one hundred eighteen".